Rubber Band blinking on Mac Book Pro in CC 2018 but not CC 2017

In this thread https://forums.adobe.com/thread/2430158 choi tj notes a problem using the Rubber Band setting in the Path Tool. It flickers as it is moved in his Photoshop CC 2018 Mac.He includes a video to demonstrate the problem.

I checked both my Mid 2012 Macbook Pros and noticed this problem in CC 2018, but not in CC 2017.

This seems like a bug. Perhaps other users can see if that's the case and I hope the Product Managers can have a look at this.